<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
<h1>添加商品页面</h1>
<form action="/insert">
  <input type="text" name="title" placeholder="商品标题">
  <input type="text" name="price" placeholder="商品价格">
  <input type="text" name="saleCount" placeholder="商品销量">
  <input type="submit" value="添加">
</form>
</body>
</html>